1Establishment of a technical system for the treatment of congenital microtiaZHANG Qingguo449-451,4632Splicing of helix framework in modified Nagata's method stage Ⅰ for auricle reconstruction with 8th rib cartilage dysplasiaQIAN Jin, LIU Tun, LU Peng, HE Bei, ZHANG Qingguo452-455,4593The correction of Tanzer 2A constricted ear(cupping or lop ear)using tumbling technique of concha cartilage flapLEI Chen, YE Jiong, SU Xiaohui, WEI Shijie, ZHENG Houbing, SHAN Xiuying, WANG Biao, WANG Meishui456-4594The application of 3D printing technology in personalized reconstruction of auriculocephalic angle in the modified nagata methodLI Zhibin, XIE Baihui, YAN Chengxiang, DONG Haijiang, WANG Ximei460-4635Clinical study on repairing head and face soft tissue defects with posterior tibial artery perforator flapThazin Phoone Myint, ZHOU Wei, CHEN Danyang, GUO Liang468-4716Free second toe medial flaps for repair of digital nail bed defectsZHU Congkun, JU Jihui, JIN Guangzhe, ZHANG Guangliang, GONG Bo, GE Yu472-473,4877The clinical application effect of Polyetheretherketone(PEEK)in skull repair after decompressive of craniectomyFU Zengbin, LI Puyang, QIN Lipeng, WANG Zhao, LI Yao, CHENG Jianye474-4768Effect of treating congenital nevus of extremities in children at different timeLIU Qi, XUE Lei, YANG Yifan, DU Ya, GAO Yang, ZHANG Yunzhen, LIU Zhaoming, ZHANG Wenxian477-479,5119Study on the characteristics of dermis after remodeling in rats under persistent and intermittent hypoxia-controlled tissue expansionCUI Jiangbo, ZHANG Yu, YU Zhou, MA Xianjie480-484